diff options
Diffstat (limited to 'generic/tk.h')
| -rw-r--r-- | generic/tk.h | 79 |
1 files changed, 77 insertions, 2 deletions
diff --git a/generic/tk.h b/generic/tk.h index 666d978..6f7bbb9 100644 --- a/generic/tk.h +++ b/generic/tk.h @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tk.h,v 1.62 2002/06/18 00:34:45 davygrvy Exp $ + * RCS: @(#) $Id: tk.h,v 1.63 2002/06/18 23:51:46 dkf Exp $ */ #ifndef _TK @@ -116,6 +116,9 @@ typedef struct Tk_PostscriptInfo_ *Tk_PostscriptInfo; typedef struct Tk_TextLayout_ *Tk_TextLayout; typedef struct Tk_Window_ *Tk_Window; typedef struct Tk_3DBorder_ *Tk_3DBorder; +typedef struct Tk_Style_ *Tk_Style; +typedef struct Tk_StyleEngine_ *Tk_StyleEngine; +typedef struct Tk_StyledElement_ *Tk_StyledElement; /* * Additional types exported to clients. @@ -146,7 +149,8 @@ typedef enum { TK_OPTION_PIXELS, TK_OPTION_WINDOW, TK_OPTION_END, - TK_OPTION_CUSTOM + TK_OPTION_CUSTOM, + TK_OPTION_STYLE } Tk_OptionType; /* @@ -1389,6 +1393,77 @@ EXTERN void Tk_CreateOldPhotoImageFormat _ANSI_ARGS_(( /* *-------------------------------------------------------------- * + * Procedure prototypes and structures used for managing styles: + * + *-------------------------------------------------------------- + */ + +/* + * Style support version tag. + */ +#define TK_STYLE_VERSION_1 0x1 +#define TK_STYLE_VERSION TK_STYLE_VERSION_1 + +/* + * The following structures and prototypes are used as static templates to + * declare widget elements. + */ + +typedef void (Tk_GetElementSizeProc) _ANSI_ARGS_((ClientData clientData, + char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin, + int width, int height, int inner, int *widthPtr, int *heightPtr)); +typedef void (Tk_GetElementBoxProc) _ANSI_ARGS_((ClientData clientData, + char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin, + int x, int y, int width, int height, int inner, int *xPtr, int *yPtr, + int *widthPtr, int *heightPtr)); +typedef int (Tk_GetElementBorderWidthProc) _ANSI_ARGS_((ClientData clientData, + char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin)); +typedef void (Tk_DrawElementProc) _ANSI_ARGS_((ClientData clientData, + char *recordPtr, CONST Tk_OptionSpec **optionsPtr, Tk_Window tkwin, + Drawable d, int x, int y, int width, int height, int state)); + +typedef struct Tk_ElementOptionSpec { + char *name; /* Name of the required option. */ + Tk_OptionType type; /* Accepted option type. TK_OPTION_END means + * any. */ +} Tk_ElementOptionSpec; + +typedef struct Tk_ElementSpec { + int version; /* Version of the style support. */ + char *name; /* Name of element. */ + Tk_ElementOptionSpec *options; + /* List of required options. Last one's name + * must be NULL. */ + + /* + * Hooks + */ + + Tk_GetElementSizeProc *getSize; + /* Compute the external (resp. internal) size of + * the element from its desired internal (resp. + * external) size. */ + Tk_GetElementBoxProc *getBox; + /* Compute the inscribed or bounding boxes + * within a given area. */ + Tk_GetElementBorderWidthProc *getBorderWidth; + /* Return the element's internal border width. + * Mostly useful for widgets. */ + Tk_DrawElementProc *draw; /* Draw the element in the given bounding box.*/ +} Tk_ElementSpec; + +/* + * Element state flags. Can be OR'ed. + */ + +#define TK_ELEMENT_STATE_ACTIVE 1<<0 +#define TK_ELEMENT_STATE_DISABLED 1<<1 +#define TK_ELEMENT_STATE_FOCUS 1<<2 +#define TK_ELEMENT_STATE_PRESSED 1<<3 + +/* + *-------------------------------------------------------------- + * * The definitions below provide backward compatibility for * functions and types related to event handling that used to * be in Tk but have moved to Tcl. |